CVE-2011-4273
GoAhead
- Published
- 3 November 2011
- Last modified
- 16 June 2026
- CVSS
- 4.3 v2.0
- Severity
- medium
- EPSS
- 4.8% (91th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-79
AV:N/AC:M/Au:N/C:N/I:P/A:N
Description
Multiple cross-site scripting (XSS) vulnerabilities in GoAhead Webserver 2.18 allow remote attackers to inject arbitrary web script or HTML via (1) the group parameter to goform/AddGroup, related to addgroup.asp; (2) the url parameter to goform/AddAccessLimit, related to addlimit.asp; or the (3) user (aka User ID) or (4) group parameter to goform/AddUser, related to adduser.asp.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 4.8% probability of exploitation activity in the next 30 days, placing it in the top decile of all scored CVEs.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| Goahead Webserver | GoAhead | unknown | 2.0, 2.1, 2.1.1, 2.1.2 +5 |
References
- http://secunia.com/advisories/46894
- http://www.kb.cert.org/vuls/id/384427 exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/70434
- http://secunia.com/advisories/46894
- http://www.kb.cert.org/vuls/id/384427 exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/70434
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.